[WTS] VG-8235/NMS-8245 FDD adapter boards

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Par Meits

Scribe (5648)

Portrait de Meits

07-12-2018, 18:45

This is how I remember the 700P as well. It probably isn't any different in the 500/900 family.

Par Alexey

Guardian (2444)

Portrait de Alexey

07-12-2018, 19:21

Omega wrote:

Strange, I have never seen inside of F700p before.. Did you try to put a normal 34 pin cable to the mainboard?

There's no connector for such a cable on the board. There's only a single row of holes where the flat cable is soldered to. And the pinout of that row is weird. You have to properly assemble the signals on the daughterboard that connects to the floppy drive. And for the original drive you need the working READY signal, otherwise the machine will ignore all data read from the floppy disk.

Par Omega

Master (213)

Portrait de Omega

07-12-2018, 20:50

Quote:

This is how I remember the 700P as well. It probably isn't any different in the 500/900 family.

Well, I know that my F900p has normal 34 pin connectors on the motherboard.

Quote:

There's no connector for such a cable on the board. There's only a single row of holes where the flat cable is soldered to. And the pinout of that row is weird. You have to properly assemble the signals on the daughterboard that connects to the floppy drive. And for the original drive you need the working READY signal, otherwise the machine will ignore all data read from the floppy disk.

The service manual I checked was probably for a different revision of the board, listed as "AEP model". Any way: I don't think the adapter is compatible, unless the signals magically map the same as the NMS-8245. What I could do is make a separate version of the adapter for the F700, if someone can provide details Smile

Par subzero79

Resident (37)

Portrait de subzero79

18-12-2018, 18:47

you have pm

Par charliefrown

Supporter (15)

Portrait de charliefrown

19-12-2018, 22:15

Interested in DIY pcb, pm sent

Par Omega

Master (213)

Portrait de Omega

20-12-2018, 00:27

Unfortunately all adapters are SOLD OUT

A new batch is underway, I expect delivery in ~2 weeks Smile2

Par charliefrown

Supporter (15)

Portrait de charliefrown

20-12-2018, 08:20

that's awesome news

Par charliefrown

Supporter (15)

Portrait de charliefrown

20-12-2018, 10:15

What if I use this adapter and install PC floppy inside without 720kB modding? Will I be able to use PC floppy as single sided (360 kB) anyway?

Par subzero79

Resident (37)

Portrait de subzero79

22-12-2018, 12:31

we awaiting new batch
Smile

Par Omega

Master (213)

Portrait de Omega

23-12-2018, 02:58

Quote:

What if I use this adapter and install PC floppy inside without 720kB modding? Will I be able to use PC floppy as single sided (360 kB) anyway?

In theory, yes. In practice I've not tested that.

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